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Finding the Fourth Proportional to 467,108.20, 700,662.30 and 408,059.20

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Solution

The fourth proportional to 467,108.20, 700,662.30 and 408,059.20 is: 612,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,108.20 : 700,662.30 = 408,059.20 : x
  2. Step 2: Convert to fraction form
    467,108.20/700,662.30 = 408,059.20/x
  3. Step 3: Cross multiply
    467,108.20x = 700,662.30 × 408,059.20
  4. Step 4: Simplify right side
    467,108.20x = 285,911,697,608.16
  5. Step 5: Solve for x
    x = 285,911,697,608.16/467,108.20
  6. Step 6: Final answer
    x = 612,088.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.